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GIS - Interesting instrument for forestry planning concepts at local and regional level

Changing demands upon the forest and the poor financial situation of forest enterprises in india led to the development of a new forestry planning concept about fifteen years ago. This concept introduced a clear distinction between planning at the level of the authorities and planning at the level of the owners. This case study discusses the use of GIS at the forest owner level. On this level, a simple, dynamic and compatible geographic information system is required for the establishment of a forest management plan. This plan covers about hectares of forests, will be valid for about 20 years and is implemented by the local forest manager.

Within the whole planning process quantum was used for the following four tasks:

Import of existing data. The data includes geo-referenced background maps (*.tif) along with polygon, line and point shape files. For the forest manager, the visualization of existing thematic data (for example ground- and drinking water resources, nature protection zones) are important for his daily work.

Digitizing. The forestry measurements planned by the forest manager had been digitized. The quantum digitizing tools with the advanced snapping options are very useful and user friendly. The “delimited text” plugin enabled the import of additional data tables.

Analysis. The areas of the different measurement categories had been calculated. Starting from certain line features such as train tracks or roads, corresponding protection forests were determined with the help of a buffer.

Print and export. The print composer supported the map layout creation. The map was exported as PDF and image files.

Conclusion

GIS is an interesting tool for small planning offices as well as for the forest managers and owners. It can be used in a professional context and the presented output result was appreciated by all parties involved. For the mentioned tasks the present GIS version offers all necessary GIS tools. The most important qualities of GIS are the intuitive user interface and the compatibility with different file formats. It is an ideal tool for projects that are on one hand based on existing geographic data and on the other hand require the acquisition of new data. The user-manual is helpful and easy to understand. Both from the technical as well as the financial perspective GIS is an interesting alternative

GIS for Town and Country Planning department

GIS for Town and Country Planning department

The study highlighted pros and cons of customizing a module and the high level of commitment from the management needed to ensure its continual success and adoption. we began to further research as an analytical tool rather than a mapping tool in order to pioneer untapped modules or new approaches

Interest in Quantum stirred and in 2012, with the support of all project office directors, an all-out effort was undertaken by the National Land use Information Division that spearheaded GIS to train the 4 project offices as they hold the greatest number of GIS users. By the end of 2012, it is anticipated quantum which accounts for approximately 90 % of GIS users in the department.

That is not all. States town planning departments have also requested Quantum training such as Peak including strong interest from poorer states. If this catches on, it is anticipated that the use of Quantum may dominate states planning departments and even extend to local planning authorities, many of which are not wealthy.

Outcome from using GIS

Quantum training has been simpler to manage. This means cross-learning between staff, divisions, public agencies and even local planning authorities that use GIS can be more effective because the GIS used is uniform The use of GIS helps towards synergy with a PostgreSQL-PostGIS geodatabase which the department is planning to use as the foundation of land use geo database

It has been faster to process data verification and clean topology error. Users become more courageous and begin to venture into Google Maps and other Internet sources for secondary information; GIS being user-friendly encourages users to be more adventurous and explore the many plug ins available to their advantage and make their task easier.

Using GIS for urban planning in the municipality_

Using GIS for urban planning in the municipality

Every building data was retrieved via survey and written in paper schedule. Once in office the data were inputed into the Postgresql/Postgis database via PHP form using canonical web browser (Firefox, Iceweasel as well). In a second moment the shape of every building was draw with GIS and linked to the survey table via id key field (PostgreSQL/Postgis view).

For every graphic thematic maps were produced using the attribute and data retrieve during the survey (for the present state) and data modified during the study and design fase.

Thus a photo was linked to every building facilitating the design and analisys in the gis project (using the “action” feature). The SQL tools (pgquery, postgis manager, dbmanager et al.) allowed to obtain very sophisticated query immediately viewable in the map canvas such as: volume calculation split by building intended use, standards area calculation in percentage of the total planning area and other minor queries. All useful items for the design and planning study otherwise not possible without a very strength tool like gis

The strength of GIS is the very user friendly interface coupled with the several tools it offers. The connection with vary data formats (shape files, spatialite db, postgresql/postgis db,…) facilitates and increases the interoperability between different worlds. And thus the freedom offered by the free software (PHP,CAD, GIS) stimulates and open new horizons.

And last but not least: we worked on different platform (Windows 7 64 bit, Windows xp 32 bit ) but we never encountered insurmountable problems.

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Developing Web Mapping Applications that Leverage GIS

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